Diagrama Em Bloco - Philips FWM37 Service Manual

DIAGRAMA EM BLOCO 3CDC-LC Versão MP3
CD MECHANISM MAINBOARD
VAM2201
DISC
FOC +
TURNTABLE
MOTOR
FOCUS
MOTOR FOC -
RAD +
RADIAL
MOTOR
RAD -
SLEDGE +
SLEDGE
MOTOR SLEDGE -
TTM -
TURNTABLE
MOTOR TTM +
LASER &
MONITOR
DIODE
PHOTO
DIODES
D4 D2-D4
D1 D5
D2 D3
not on all versions
INNER SWITCH
1876 1875
CAROUSEL
5 1
POS. RECOGNITION
1 5 1883 open if carousel is in a valid Play-Position.
1883
3 3 1882 closed if carousel is in Position 1.
1882
CD POS.1 SWITCH
2 4
CAROUSEL
MOTOR
4 2
TRAY
1,3 1,3
TRAY
MOTOR
2 2
1877 1878
7802
TDA7073A
55
FO
54
RA
7803
TDA7073A
56
SL
59
M1
60
M2
+5V +3,3V
7801
2 13
1
LD
7 64
LD ON LD ON
11 61
CD/RW V4
4
MON
3
ISLICE
LASER CONTROL
&
HF AMPLIFIER
5
TZA1024
10 2
HF IN
(TZA1025)
6,14
D1
D1-D5
D2
D3
D4
R1,R2
SWITCH INFO
7
6
1880
4
Closed if the tray is in one endposition.
Open during movement.
TRAY SWITCH
1881
Open if the drive is in one endposition. 5
Closed during movement.
CD DRIVE UP/DOWN SWITCH
7814
TDA7073
12
11
10
9
5,17,21,52,57
+3,3V
7802
19
VCC
LP
18
LN
23
RP
22
RN
SCLI IIS_SCLK
37
AU_IIS_DATA
SDI 36
SIGNAL PROCESSOR
WCLI IIS_WCLK
35
CD10
SAA7324 (SAA7325)
DATA
27 CD_IIS_DATA
MP3 coded
WCLK
28 IIS_WCLK
SCLK
29 IIS_SCLK
38
RESET
42
SILD
41
RAB
40
SCL
39
SDA
V1 DOBM
63 51
7813
2
DATA
3
SHR_CL
1
STB
SHIFT
REGISTER
16
VDD
HEF4094BT
5V1
15
EN1
V
VDD (pin 16)
EN1 (pin 15)
t
D5
D3
D2
D0
+5V
1805
8 7816
3
+
15
6
2
CD LEFT
-
Active low pass
14
Filter
TDA1308
5
+
7 13
15
CD RIGHT
-
1802
4
AU_IIS_DATA
AU_IIS_DATA
IIS_SCLK 7
CD-DA coded External MP3-Decoder
IIS_SCLK
DIGITAL AUDIO
IIS_WCLK 5
IIS_WCLK
CD_IIS_DATA
3
CD_IIS_DATA
13
RESET
12
SILD
11
RAB
Communication
10
µP ↔ Signal Processor
SICL
9
SDA
2,6,8,14,15,19
GND
1
+5V +5V
µP_CLK 11
µP_CLK
µP_DATA
10
µP_DATA
µP_FRAME 9
µP_FRAME
1805
5
µP_FRAME
4
µP_CLK
2
µP_DATA
9
SWITCH INFO
6
SHR-DATA
7
SHR_CL
8
SHR_STR
1,3
+10V
+3servo
Vref
7815
+5V
+3,3V
1805
12
+5V
10
+10V
11
FW-M37 33
Analog Audio
Changer
Control Logic
GND
+5V
Supply
+10V
GND